package ch.cyberduck.core.transfer;

/*
 * Copyright (c) 2002-2013 David Kocher. All rights reserved.
 * http://cyberduck.ch/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Bug fixes, suggestions and comments should be sent to feedback@cyberduck.ch
 */

public final class TransferQueueFactory {

    private static TransferQueue instance;

    private static final Object lock = new Object();

    public static TransferQueue get() {
        synchronized(lock) {
            if(null == instance) {
                instance = new TransferQueue();
            }
            return instance;
        }
    }

    private TransferQueueFactory() {
        //
    }
}
